(19)

(11)

EP 2 473 549 A1

(12)

(43) Date of publication: 11.07.2012 Bulletin 2012/28 (21) Application number: 10759741.1 (22) Date of filing: 16.08.2010

(51) International Patent Classification (IPC):  C08G 77/04(2006.01) (86) International application number: PCT/PL2010/000073 (87) International publication number: WO 2011/028142 (10.03.2011 Gazette 2011/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 01.09.2009 PL 38893109 (71) Applicant: Adam Mickiewicz University 61-712 Poznan (PL)	(72) Inventors: MARCINIEC, Bogdan PL-62-020 Swarz dz (PL) MACIEJEWSKI, Hieronim 61-896 Pozna (PL) DUTKIEWICZ, Michal 61-255 Pozna (CA) (74) Representative: Lisiecki, Wojciech  Uniwersytet im Adama Mickiewicza ul. Wieniawskiego 1 PL-61 712 Poznan PL-61 712 Poznan (PL)